Abstract
After data collection, the data must be prepared, so that they can be comparatively analyzed. Data preparation takes place in two steps. In the first step, the national research teams cleanse the national datasets of errors that occurred during data collection. In the second step, the central project coordinators harmonize the sociodemographic variables and merge the national datasets to form a cross-nationally comparable dataset.
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Notes
- 1.
Answers to open questions are recorded and later systematically processed using special text analysis software.
- 2.
OECD Data (2018) Purchasing power parities (PPP) https://data.oecd.org/conversion/purchasing-power-parities-ppp.htm (Retrieved on January 26, 2018).
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Hoffmeyer-Zlotnik, J.H.P., Warner, U. (2018). Data Processing Units. In: Sociodemographic Questionnaire Modules for Comparative Social Surveys. SpringerBriefs in Population Studies. Springer, Cham. https://doi.org/10.1007/978-3-319-90209-8_10
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DOI: https://doi.org/10.1007/978-3-319-90209-8_10
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